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Simulation of the nanoindentation test of a (001) single crystal of Cu is performed using 3D4 modelling.
A nucleation criterion for the indent induced dislocations has been established from experiments. The dislocation microstructure at a depth of 50nm is shown in the animated sequence.
Hardness is estimated from the dislocation density.
Both the indent-induced plastic size and the Hardness estimation fit well the experiments performed under the same conditions.

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mise à jour le 23 mars 2009

Université Grenoble Alpes